Canal Road over Six Mile Run
GoodSomerset County, New Jersey · 0.2 MI So Blackwells Mill · Structure no. 18G0403
- Built
- 1834
- 191 years old, rebuilt 2024
- Condition
- Good
- inspected September 2023
- Type
- Culvert
- Masonry
- Length
- 42 ft
- 3 main spans
- Daily traffic
- 3,641
- 2023 count
- Owner
- State
- Other State Agency
About this bridge
Canal Road over Six Mile Run is a masonry culvert carrying Canal Road over Six Mile Run in Somerset County, New Jersey. It was built in 1834 and reconstructed in 2024, so it is 191 years old, older than the New Jersey average of 58.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 3,641 vehicles a day, roughly 1% of them trucks, projected to reach 4,369 by 2043. The structure is 42 ft (12.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Canal Road over Six Mile Run built?
It was built in 1834, making it 191 years old in 2025. It was reconstructed in 2024.
What condition is Canal Road over Six Mile Run in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.
How much traffic does Canal Road over Six Mile Run carry?
About 3,641 vehicles per day (2023 count), of which roughly 1% are trucks.
How long is Canal Road over Six Mile Run?
The structure is 42 ft (12.8 m) long with a longest span of 12 ft (3.7 m).
Who owns Canal Road over Six Mile Run?
It is owned by the Other State Agency.